1 master /ˈmæstɚ/ Brit /ˈmɑːstə/ noun
plural masters
1 master
/ˈmæstɚ/ Brit /ˈmɑːstə/
plural masters
Learner's definition of MASTER
[count] : someone who has control or power over others: such as
: someone (especially a man) who has a servant or slave
: someone (especially a man) who owns a pet (such as a dog)
formal : the male head of a household
: a man who is in charge of the people on a ship
[count] : a person who has control of something usually + of
[count] : a person who has become very skilled at doing something
often + at see also grand master, past master
[count] old-fashioned : a male teacher see also headmaster, schoolmaster
Master used as a title for the male head of certain British colleges
[count] : a person who has received a master's degree
[count] : an original version of something (such as a recording) from which copies can be made
Master formal + old-fashioned used as a title for a boy who is too young to be called Mister

jack-of-all-trades, master of none

see jack-of-all-trades

serve two masters

see 1serve
2 master /ˈmæstɚ/ Brit /ˈmɑːstə/ adjective
2 master
/ˈmæstɚ/ Brit /ˈmɑːstə/
Learner's definition of MASTER
always used before a noun
: highly skilled
: largest or most important
used to describe an original version from which other copies can be made
3 master /ˈmæstɚ/ Brit /ˈmɑːstə/ verb
masters; mastered; mastering
3 master
/ˈmæstɚ/ Brit /ˈmɑːstə/
masters; mastered; mastering
Learner's definition of MASTER
[+ object]
: to succeed in controlling (something, such as an emotion)
: to learn (something) completely : to get the knowledge and skill that allows you to do, use, or understand (something) very well